Oct 28, 2012 9:00am PDT
past two months this man of campbell held up banks in campbell, san jose, los gatos, san jose and sunnyvale. police say they have evidence linking him to all six robberies. >> hundreds of bay area emergency personnel are spending this weekend training for extreme emergency operations. training started yesterday morning in more than a dozen cities. in haywood crews practiced repelling down the side of a building at cal state university east bay. other exercises in the area include a mach airplane hijacking in oakland and chemical sabotage in castro valley. all the training helps officers gain individual tactical skills and it helps departments coordinate their resources. the exercises are going on across the nation as part of homeland security training >> a new law enforcement tool in alameda county is raising fears of big brother. the tool is a drone. that drone that weighs less than four pounds has an hd camera and flies at 400 feet above ground. the drone will be used primarily to follow criminals on the run, but critics have their doubts, even if it's cheaper than a helicopter.